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CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Class A Common Stock
Class B Common Stock
Common Stock
Class A Common Stock
Common Stock
Class B Common Stock
Additional Paid-In Capital
Accumulated Deficit
Balance at beginning of the period (in shares) at Dec. 31, 2024       188,626,154 26,426,937    
Balance at beginning of the period at Dec. 31, 2024 $ 168,832     $ 19 $ 3 $ 970,940 $ (802,130)
Increase (Decrease) in Stockholders' Equity              
Net loss (13,967)           (13,967)
Net proceeds from share offering (in shares)       27,600,000      
Net proceeds from share offering 81,109     $ 3   81,106  
Common stock issued upon exercise of stock options (in shares)       79,827      
Common stock issued upon exercise of stock options 133         133  
Common stock issued upon vesting of restricted stock units, net (in shares)       4,512,667      
Common stock issued upon vesting of restricted stock units (2,775)         (2,775)  
Stock-based compensation expense 6,364         6,364  
Balance at end of the period (in shares) at Mar. 31, 2025       220,818,648 26,426,937    
Balance at end of the period at Mar. 31, 2025 239,696     $ 22 $ 3 1,055,768 (816,097)
Balance at beginning of the period (in shares) at Dec. 31, 2025   227,318,426 26,426,937 227,318,426 26,426,937    
Balance at beginning of the period at Dec. 31, 2025 195,979     $ 23 $ 3 1,075,147 (879,194)
Increase (Decrease) in Stockholders' Equity              
Net loss $ (12,677)           (12,677)
Common stock issued upon exercise of stock options (in shares) 910,661     910,661      
Common stock issued upon exercise of stock options $ 2,309         2,309  
Common stock issued upon vesting of restricted stock units, net (in shares)       6,548,354      
Stock-based compensation expense 5,611         5,611  
Balance at end of the period (in shares) at Mar. 31, 2026   234,777,441 26,426,937 234,777,441 26,426,937    
Balance at end of the period at Mar. 31, 2026 $ 191,222     $ 23 $ 3 $ 1,083,067 $ (891,871)